Home / 3,386,132,295.37-5,079,852,543.20-1,287,445,525.39

Finding the Fourth Proportional to 3,386,132,295.37, 5,079,852,543.20 and 1,287,445,525.39

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Solution

The fourth proportional to 3,386,132,295.37, 5,079,852,543.20 and 1,287,445,525.39 is: 1,931,416,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,132,295.37 : 5,079,852,543.20 = 1,287,445,525.39 : x
  2. Step 2: Convert to fraction form
    3,386,132,295.37/5,079,852,543.20 = 1,287,445,525.39/x
  3. Step 3: Cross multiply
    3,386,132,295.37x = 5,079,852,543.20 × 1,287,445,525.39
  4. Step 4: Simplify right side
    3,386,132,295.37x = 6,540,033,426,383,851,520
  5. Step 5: Solve for x
    x = 6,540,033,426,383,851,520/3,386,132,295.37
  6. Step 6: Final answer
    x = 1,931,416,984.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.